Revert of Sets the default background color of inline signin and user manager to grey

content/browser/renderer_host/render_widget_host_view_base.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
@@ skipping 348 matching lines @@
 
 namespace {
 
 // How many microseconds apart input events should be flushed.
 const int kFlushInputRateInUs = 16666;
 
 }
 
 RenderWidgetHostViewBase::RenderWidgetHostViewBase()
     : popup_type_(blink::WebPopupTypeNone),
-      background_color_(SK_ColorWHITE),
+      background_opaque_(true),
       mouse_locked_(false),
       showing_context_menu_(false),
       selection_text_offset_(0),
       selection_range_(gfx::Range::InvalidRange()),
       current_device_scale_factor_(0),
       current_display_rotation_(gfx::Display::ROTATE_0),
       pinch_zoom_enabled_(content::IsPinchToZoomEnabled()),
       renderer_frame_number_(0),
       weak_factory_(this) {
 }
 
 RenderWidgetHostViewBase::~RenderWidgetHostViewBase() {
   DCHECK(!mouse_locked_);
 }
 
 bool RenderWidgetHostViewBase::OnMessageReceived(const IPC::Message& msg){
   return false;
 }
 
-void RenderWidgetHostViewBase::SetBackgroundColor(SkColor color) {
-  background_color_ = color;
-}
-
-void RenderWidgetHostViewBase::SetBackgroundColorToDefault() {
-  SetBackgroundColor(SK_ColorWHITE);
+void RenderWidgetHostViewBase::SetBackgroundOpaque(bool opaque) {
+  background_opaque_ = opaque;
 }
 
 bool RenderWidgetHostViewBase::GetBackgroundOpaque() {
-  return SkColorGetA(background_color_) == SK_AlphaOPAQUE;
+  return background_opaque_;
 }
 
 gfx::Size RenderWidgetHostViewBase::GetPhysicalBackingSize() const {
   gfx::NativeView view = GetNativeView();
   gfx::Display display =
       gfx::Screen::GetScreenFor(view)->GetDisplayNearestWindow(view);
   return gfx::ToCeiledSize(gfx::ScaleSize(GetRequestedRendererSize(),
                                           display.device_scale_factor()));
 }
 
@@ skipping 276 matching lines @@
         ? blink::WebScreenOrientationPortraitPrimary
         : blink::WebScreenOrientationPortraitSecondary;
   }
 
   return primary_landscape_angle == angle
       ? blink::WebScreenOrientationLandscapePrimary
       : blink::WebScreenOrientationLandscapeSecondary;
 }
 
 }  // namespace content